dridex | b085a540403de004af4da4ba56db74f728d7cb1f0f91b5c63f536d7e66e49a20

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 03:08

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General

Target

JaffaCakes118_b085a540403de004af4da4ba56db74f728d7cb1f0f91b5c63f536d7e66e49a20.dll
Size

184KB
MD5

8a05fefdd73e61101fde52007618a036
SHA1

ceca712f768741435acd71be98135c30fa538ec5
SHA256

b085a540403de004af4da4ba56db74f728d7cb1f0f91b5c63f536d7e66e49a20
SHA512

790951154cca83e75761c3ae0064fde21245f6d6a502e91b57dde27dbca910970c8b07b4935a726b57985ad387632f721ecdf4435a9fe206542c48370c96dc91
SSDEEP

3072:6iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaozlzoxss7:6iLVCIT4WK2z1W+CUHZj4Skq/eaopoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2172-1-0x0000000074890000-0x00000000748BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	2172	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2980 wrote to memory of 2172	2980	rundll32.exe	30
PID 2172 wrote to memory of 2488	2172	rundll32.exe	31
PID 2172 wrote to memory of 2488	2172	rundll32.exe	31
PID 2172 wrote to memory of 2488	2172	rundll32.exe	31
PID 2172 wrote to memory of 2488	2172	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b085a540403de004af4da4ba56db74f728d7cb1f0f91b5c63f536d7e66e49a20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b085a540403de004af4da4ba56db74f728d7cb1f0f91b5c63f536d7e66e49a20.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 220
    3⤵
    - Program crash
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2172-1-0x0000000074890000-0x00000000748BF000-memory.dmp

Filesize
188KB

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memory/2172-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

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